advent_of_code_2024/main.go

package main

import (
	"advent_of_code_2024/helpers"
	_ "embed"
	"fmt"
	"os"
	"time"
)

type Solution struct {
	function helpers.Function
	input    string
}

func main() {
	selectedDay := selectSolutionRun()

	if solution, present := solutions[selectedDay]; present {
		start := time.Now()
		result := solution.function(helpers.Format(solution.input))
		elapsed := time.Since(start)
		fmt.Printf("Solution for '%s': %d, took: %s", selectedDay, result, elapsed)
	} else {
		fmt.Printf("Cannot run '%s', invalid request", selectedDay)
	}
}

func selectSolutionRun() string {
	selectedDay := ""
	if len(os.Args) == 2 {
		// if command line arg passed use that
		selectedDay = os.Args[1]
	} else if len(os.Args) == 1 {
		// otherwise ask user for the solution
		fmt.Printf("Enter the solution to be run: e.g. 01-basic,21-complex...\n")
		if _, err := fmt.Scan(&selectedDay); err != nil {
			panic(err)
		}
	} else {
		// if too many arguments are passed return error message
		fmt.Printf("Invalid number of arguments\nUsage: %s day-basic|day-complex\n    e.g. %s 01-basic", os.Args[0], os.Args[0])
		os.Exit(1)
	}
	return selectedDay
}